<?xml version="1.0" encoding="utf-8"?>
<!--
Taxonomy based on XBRL standard Version 2.1.
Created by UBmatrix Taxonomy Designer 1.0.0.0 (2008-02-04 15:32).  
Contact www.ubmatrix.com
Copyright (c) 2002-2008 UBmatrix inc., All Rights Reserved
Produced on 2008-02-06 12:56:18
-->
<schema
  xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:t="http://xbrl.org/formula/conformance/example"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  targetNamespace="http://xbrl.org/formula/conformance/example"
  elementFormDefault="qualified"
  attributeFormDefault="unqualified">
  <annotation>
    <appinfo>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/primaryItems"
        id="primaryItems">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/hypercubes"
        id="hypercubes">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/regions"
        id="regions">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/americas"
        id="americas">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/oceania"
        id="oceania">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/africa"
        id="africa">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/asia"
        id="asia">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/europe"
        id="europe">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType
        roleURI="http://xbrl.org/formula/conformance/example/role/polar"
        id="polar">
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:type="simple"
        xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"
        xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
        xlink:href="segment-definition.xml"
        xlink:title="Definition Links, all" />
    </appinfo>
  </annotation>
  <import
    namespace="http://www.xbrl.org/2003/instance"
    schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import
    namespace="http://xbrl.org/2005/xbrldt"
    schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <element
    id="peakHeight"
    name="peakHeight"
    type="string" />
  <element
    id="nonXbrlElement"
    name="nonXbrlElement"
    type="string" />
  <element
    id="Africa"
    name="Africa"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="America"
    name="America"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Antarctica"
    name="Antarctica"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Argentina"
    name="Argentina"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Asia"
    name="Asia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="AtmosphericHypercube"
    name="AtmosphericHypercube"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:hypercubeItem"
    xbrli:periodType="instant"
    abstract="true"
    nillable="true" />
  <element
    id="AtmosphericPhenomenon"
    name="AtmosphericPhenomenon"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="OtherPhenomenon"
    name="OtherPhenomenon"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Australasia"
    name="Australasia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Australia"
    name="Australia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Austria"
    name="Austria"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Brazil"
    name="Brazil"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Canada"
    name="Canada"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Europe"
    name="Europe"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="HeightDimension"
    name="HeightDimension"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:dimensionItem"
    xbrli:periodType="instant"
    abstract="true"
    nillable="true"
    xbrldt:typedDomainRef="#peakHeight" />
  <element
    id="Indonesia"
    name="Indonesia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Location"
    name="Location"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:dimensionItem"
    xbrli:periodType="instant"
    abstract="true"
    nillable="true" />
  <element
    id="Mars"
    name="Mars"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Melanesia"
    name="Melanesia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Mexico"
    name="Mexico"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Nepal"
    name="Nepal"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="NewZealand"
    name="NewZealand"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="NorthAmerica"
    name="NorthAmerica"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Oceania"
    name="Oceania"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Peak"
    name="Peak"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Peru"
    name="Peru"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Polar"
    name="Polar"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Regions"
    name="Regions"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    abstract="true"
    nillable="true" />
  <element
    id="Russia"
    name="Russia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="SouthAmerica"
    name="SouthAmerica"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="SouthAsia"
    name="SouthAsia"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Spain"
    name="Spain"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="SummitHypercube"
    name="SummitHypercube"
    type="xbrli:stringItemType"
    substitutionGroup="xbrldt:hypercubeItem"
    xbrli:periodType="instant"
    abstract="true"
    nillable="true" />
  <element
    id="Switzerland"
    name="Switzerland"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="Tanzania"
    name="Tanzania"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <element
    id="UnitedStates"
    name="UnitedStates"
    type="xbrli:stringItemType"
    substitutionGroup="xbrli:item"
    xbrli:periodType="instant"
    nillable="true" />
  <attribute
    name="anAttribute"
    type="string" />

  <element id="HasWifiAccess" name="HasWifiAccess">
    <complexType>
       <attribute name="id" type="ID" use="optional"/>
    </complexType>
  </element>
  <element id="NeedOxygen" name="NeedOxygen">
    <complexType>
       <attribute name="id" type="ID" use="optional"/>
    </complexType>
  </element>
  <element id="Stuff" name="Stuff">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <choice minOccurs="1" maxOccurs="unbounded">
            <any/>
          </choice>
          <attribute name="id" type="ID" use="optional"/>
        </restriction>
      </complexContent>
    </complexType>
  </element>
  <element id="Element1" name="Element1">
    <complexType>
       <attribute name="id" type="ID" use="optional"/>
    </complexType>
  </element>
  <element id="Element2" name="Element2">
    <complexType>
       <attribute name="id" type="ID" use="optional"/>
    </complexType>
  </element>
  <element id="Element3" name="Element3">
    <complexType>
       <attribute name="id" type="ID" use="optional"/>
    </complexType>
  </element>
  <element id="Element4" name="Element4">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
             <element name="intElt" type="integer" />
             <element name="qnElt" type="QName" />
          </sequence>
          <attribute name="intAttr" type="integer"/>
          <attribute name="qnAttr" type="QName"/>
        </restriction>
      </complexContent>
    </complexType>
  </element>
</schema>
